World’s longest and highest glass-bottom bridge

Zhangjiajie, a scenic national park in the country's Hunan province, is set to open the world's longest and highest glass-bottomed bridge in July. Spanning two cliffs in the Zhangjiajie Grand Canyon area, it will stretch 430 meters (1,410 feet) long and 6 meters (20 feet) wide, hovering over a 300-meter